Stepbrother 

Someone who has to pull his stepsister out a washing machine

STEPSISTER STOP GETTING STUCK IN WASHING MACHINES! stepbrother screams

Stepbrother by Iwillkillmyselfwithpeanuts September 9, 2020

Shitbrothers 

When two people have blackmail on each other.

Julian: Lahey, I know shit about you and you know shit about me. That makes us shitbrothers.

Shitbrothers by Uncle Tony P. April 7, 2009

Stepbrother 

Friend to have sword fights with

I beat my stepbrother in a sword fight yesterday

Stepbrother by Rectum rocker May 15, 2009

Stepbrothering

To rub your scrotum on something, as seen by the scene in the movie "Stepbrothers" starring Will Ferrell and John C. Reily, where Will Ferrell's character rubs his ballsack on John's drumset.

Simaliar to teabagging.

I just STEPBROTHERED your face.

Pfft. Only noobs stepbrother after a double kill.

I just was caught Stepbrothering.

Stepbrothering by Ol' Betsey April 21, 2009

stepbrother-in-law 

1- Stepsibling's husband.
2- Spouse's stepbrother.

My stepbrother-in-law is a good person.

stepbrother-in-law by Wonbig October 13, 2021

eskimo stepbrothers 

when one man fingers a chick that another man has had sex with, then the two men are eskimo stepbrothers. similar to eskimo brothers

Rick fingered a chick last night and later found out that his friend James had banged her a month ago. Rick and James are now eskimo stepbrothers.

eskimo stepbrothers by skirtripperclubprez September 6, 2011

stexbrother 

A stepbrother who is no longer related because of divorce

Let's chill tomorrow Stexbrother

stexbrother by kzahel October 3, 2013